Sign Up

Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.

Have an account? Sign In

Have an account? Sign In Now

Sign In

Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.

Sign Up Here

Forgot Password?

Don't have account, Sign Up Here

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Have an account? Sign In Now

You must login to ask a question.

Forgot Password?

Need An Account, Sign Up Here

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

Sign InSign Up

The Archive Base

The Archive Base Logo The Archive Base Logo

The Archive Base Navigation

  • SEARCH
  • Home
  • About Us
  • Blog
  • Contact Us
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • Home
  • Add group
  • Groups page
  • Feed
  • User Profile
  • Communities
  • Questions
    • New Questions
    • Trending Questions
    • Must read Questions
    • Hot Questions
  • Polls
  • Tags
  • Badges
  • Buy Points
  • Users
  • Help
  • Buy Theme
  • SEARCH
Home/ Questions/Q 3756010
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Editorial Team
Asked: May 19, 20262026-05-19T09:47:10+00:00 2026-05-19T09:47:10+00:00

If I instantiate an object like such : Person hello = new Person(); I’m

  • 0

If I instantiate an object like such :

Person hello = new Person();

I’m allowed to do something like

Employee test = (Employee)hello;

What does this do? What’d downcasting all about? So when we allocate memory for the base, and down cast what happens there?

  • 1 1 Answer
  • 0 Views
  • 0 Followers
  • 0
Share
  • Facebook
  • Report

Leave an answer
Cancel reply

You must login to add an answer.

Forgot Password?

Need An Account, Sign Up Here

1 Answer

  • Voted
  • Oldest
  • Recent
  • Random
  1. Editorial Team
    Editorial Team
    2026-05-19T09:47:11+00:00Added an answer on May 19, 2026 at 9:47 am

    It will not work. It will throw InvalidCastException at runtime. (assuming Employee : Person).

    • 0
    • Reply
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
      • Report

Sidebar

Related Questions

Let's say I instantiate an object in Javascript like this: var myObj = new
Using the C# object initializer syntax I can instantiate an anonymous object like this:
When you instantiate a new object by calling constructor, i.e. Foo bar = new
When I try to instantiate a PDF browser control like this in C#: AcroPDFLib.AcroPDFClass
In Java I can do something like the following: TreeMap<Double, String> myMap = new
They can be defined like this Struct.new(:x, :y) But what can usefully be done
Is it ok to instantiate an object in a View before passing it to
Is it possible in PHP to instantiate an object from the name of a
I instantiate the HttpWebRequest object: HttpWebRequest httpWebRequest = WebRequest.Create(http://game.stop.com/webservice/services/gameup) as HttpWebRequest; When I post
Can I avoid instantiate a Db object inside of Names object to access it

Explore

  • Home
  • Add group
  • Groups page
  • Communities
  • Questions
    • New Questions
    • Trending Questions
    • Must read Questions
    • Hot Questions
  • Polls
  • Tags
  • Badges
  • Users
  • Help
  • SEARCH

Footer

© 2021 The Archive Base. All Rights Reserved
With Love by The Archive Base

Insert/edit link

Enter the destination URL

Or link to existing content

    No search term specified. Showing recent items. Search or use up and down arrow keys to select an item.